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Health, 22.06.2019 15:20, timozy95
[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine. what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.
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Health, 23.06.2019 23:50, yeeeeeeeeeeet21
After fertilization zygote blank a) disappears b) begins to changes c) remains the same
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Health, 24.06.2019 04:30, 69diegoguerrero
Which part of the body is used to administer chest compressions during cpr?
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2) How many times more potent is morphine compared to opium?...
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